- Remove a cap from the vacuum regulator.
- Bring a stopper out of grooves.
- Turning the adjusting screw a stopper, establish normal value, and one turn of the adjusting screw changes pressure approximately to 0,4 kg/cm 2.
- After adjustment insert a stopper into grooves and put on a cap the vacuum regulator.
- Check value of the modulating pressure and, if necessary, normalize it.
- Attach a hose to the vacuum regulator.
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